sudo systemd-resolve --set-dns=8.8.8.8 --interface=<interface name>
Source: networking – DNS issues after upgrading to 20.04 – Ask Ubuntu
networking – DNS issues after upgrading to 20.04  was last modified:  December 25th, 2022 by 
					sudo systemd-resolve --set-dns=8.8.8.8 --interface=<interface name>
Source: networking – DNS issues after upgrading to 20.04 – Ask Ubuntu